CN109764149A - Check configuration, pressure indicator and pressure indicating mechanism - Google Patents
Check configuration, pressure indicator and pressure indicating mechanism Download PDFInfo
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- CN109764149A CN109764149A CN201910212351.1A CN201910212351A CN109764149A CN 109764149 A CN109764149 A CN 109764149A CN 201910212351 A CN201910212351 A CN 201910212351A CN 109764149 A CN109764149 A CN 109764149A
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Abstract
The application discloses a kind of check configuration, pressure indicator and pressure indicating mechanism.Including cooperation base enclosure, hard bonnet and resilient plug.Wherein, cooperation base enclosure has opposite mating interface and connecting pin, and the inside of base enclosure is cooperated to have cavity, and cavity is connected to mating interface and connecting pin.Hard bonnet is located in cavity and close to mating interface.Resilient plug is located in cavity, and resilient plug has opposite sealed end and fixing end, and fixing end is configured to keep relative positional relationship with the plane where connecting pin, and sealed end and hard bonnet cooperate, and resilient plug has sealing state and connected state.Technical solution disclosed in the present application is able to solve the problem of existing pressure indicator applied in laryngeal mask or other airway devices cannot effectively work.
Description
Technical field
This application involves pressure to indicate technical field, in particular to a kind of check configuration, pressure indicator and pressure
Power indicating mechanism.
Background technique
1988, Archie doctor Brain invented a kind of new airway device, referred to as laryngeal mask, in surgical procedure
It is middle to convey anesthetic gases and oxygen to coma patient.
When using the airway device, need that pressure indicator is cooperated to use, to guarantee the normal transport of air-flow, however,
The existing pressure indicator applied in laryngeal mask or other airway devices cannot effectively be worked due to self structure defect.
Summary of the invention
This application provides a kind of check configuration, pressure indicator and pressure indicating mechanisms, are able to solve existing answer
The problem of cannot effectively working for the pressure indicator in laryngeal mask or other airway devices.
In a first aspect, providing a kind of check configuration, including cooperation base enclosure, hard bonnet and resilient plug.Wherein, cooperate
Base enclosure has opposite mating interface and connecting pin, and the inside of base enclosure is cooperated to have cavity, and cavity is connected to mating interface and company
Connect end.Hard bonnet is located in cavity and close to mating interface.Resilient plug is located in cavity, and resilient plug has opposite sealed end
And fixing end, fixing end are configured to keep relative positional relationship with the plane where connecting pin, sealed end is matched with hard bonnet
It closes, resilient plug has sealing state and connected state.Sealing state are as follows: when resilient plug in the raw when, sealed end sealing
The inner wall of cooperation base enclosure is resisted against so that the chamber in mating interface is independently of cavity；Connected state are as follows: when hard bonnet by
Chamber cavity when external force makes resilient plug deformation, in mating interface.
In above scheme, a kind of check configuration is provided, which is applied to one-way ventilating in pressure indicator
Structure.Wherein, cooperate the mating interface of base enclosure for dock gas ducting (or other structures similar with gas ducting,
Effect is to be inflated by mating interface), connecting pin is used to connect the other structures in pressure indicator so that this is unidirectional
Structure completes the effect so that air-flow one-way flow in pressure indicator.Wherein, it is realized jointly with hard bonnet and resilient plug
The effect of air-flow on-off, wherein it is to be understood that when check configuration is in non-working condition (that is, for when being inflated；
Also, when can regard as non-normal use, that is, other states normally inflated except check configuration), resilient plug is in seal shape
State, at this time resilient plug in the raw when, resilient plug due to elastic force can be resisted against cooperation base enclosure inner wall so that cooperation
Chamber in interface is independently of cavity, so that the gas in cavity be avoided to be flowed out by mating interface；When needing to use the unidirectional knot
When structure, that is, when inflating to check configuration, gas ducting or its similar structures can be inserted in mating interface by operator, by
Hard bonnet can be contacted first in gas ducting or its similar structures, and is rigidly touched, so that the meeting gram after by external force of hard bonnet
The elastic force global displacement for taking resilient plug, forces resilient plug to deform, so that resilient plug is in connected state, so that with
The air-flow entered in interface can be by entering pressure instruction by connecting pin between hard bonnet, resilient plug and the inner wall for cooperating base enclosure
In the other structures of device.
In one possible implementation, the peripheral wall of hard bonnet is provided with through slot, and through slot is along mating interface to elasticity
The side of plug upwardly extends.
In above-mentioned technical proposal, a kind of structure of hard bonnet in the cards is provided, by being arranged on hard bonnet
Through slot, air-flow can circulate along through slot.When resilient plug is in connected state, air-flow flows into resilient plug base enclosure with from through slot
Gap between inner wall.
Optionally, in one possible implementation, hard bonnet offers mating groove close to the end face of connecting pin.Bullet
The sealed end of property plug is extended with convex block, and convex block is embedded in mating groove.
In above-mentioned technical proposal, the fit structure of a kind of resilient plug in the cards and hard bonnet is provided, by convex
The mortise and tenon fit structure of block and cooperation slot form, convenient for the positioning and cooperation of resilient plug and hard bonnet, meanwhile, this mortise and tenon
For structure convenient for manufacture, cost is also low compared with generic connectivity structure, is conducive to promotion and application.
Optionally, in one possible implementation, hard bonnet offers through-hole close to the end face of mating interface, leads to
Hole is connected to mating groove.Hard bonnet is provided with multiple boss close to the end face of mating interface, and boss is two neighboring convex around through-hole
Gap between platform is connected to through slot.
In above-mentioned technical proposal, provide a kind of hard bonnet outer shape in the cards, wherein boss can be used for against
Gas ducting or other similar structure, when gas ducting or other similar structure are resisted against boss and persistently force in hard bonnet
When upper, the air-flow poured can have the gap between two neighboring boss to flow into through slot, while increase through-hole, also be conducive to air-flow
Circulation.
In one possible implementation, cooperation base enclosure includes upper housing and middleware, and upper housing and middleware seal
Cooperation, upper housing limit mating interface far from the port of middleware, and middleware limits connecting pin, upper casing far from the end face of upper housing
Body and middleware limit cavity jointly.Resilient plug is resisted against the end face of middleware.
In above-mentioned technical proposal, provide a kind of cooperation base enclosure structure in the cards, wherein cooperation base enclosure includes two portions
Part forms cooperation base enclosures by two component combinations during the manufacturing, be conducive to other structures (such as resilient plug and
Hard bonnet) arrangement and assembly, while also be conducive to cooperation base enclosure the manufacturing, production cost can be effectively reduced, together
When, also upper housing and middleware can be designed respectively according to demand.The presence of middleware, can be realized resilient plug with
Plane where connecting pin keeps the effect of relative positional relationship, to realize the working effect of resilient plug.
Optionally, in one possible implementation, resilient plug is equipped with groove close to the end face of middleware, middleware
End face is convexly equipped with the convex block with the cooperation of the groove of resilient plug.
In above-mentioned technical proposal, by the cooperation of groove and convex block, specified point can be positioned to protect by realizing resilient plug
Plane where demonstrate,proving resilient plug and connecting pin keeps the effect of relative positional relationship, conducive to the normal work of resilient plug, meanwhile, lead to
The cooperation for crossing groove and convex block, enables resilient plug to be firmly secured on the end face of middleware.
Optionally, in one possible implementation, upper housing is equipped with annular projection far from the port of middleware, intermediate
Part is provided with annular groove close to the port of upper housing, and annular projection is welded in annular groove.
In above-mentioned technical proposal, the connection structure of a kind of upper housing that can be realized and middleware is provided, by above-mentioned
The structure of description cooperates and connection relationship, can guarantee the leakproofness of upper housing and middleware, while in assembling process, also
The case where can be avoided malformation appearance avoids stress concentration phenomenon appearance, effectively prevent causing due to placing for a long time
Gas leakage risk.
Second aspect, provides a kind of pressure indicator, and pressure indicator includes hollow base enclosure, power bag and unidirectional knot
Structure.Hollow base enclosure has opposite first port and second port, and power bag has opposite open end and closed end.Its
In, check configuration includes cooperation base enclosure, hard bonnet and resilient plug, and cooperation base enclosure has opposite mating interface and connection
End cooperates the inside of base enclosure to have cavity, and cavity is connected to mating interface and connecting pin, and hard bonnet is located in cavity simultaneously close match
Splice grafting mouth, resilient plug are located in cavity, and resilient plug has opposite sealed end and fixing end, and fixing end is configured to and connecting pin
The plane at place keeps relative positional relationship, and sealed end and hard bonnet cooperate, and resilient plug has sealing state and connected state.
Power bag is located in the chamber of hollow base enclosure, and the inner wall of power bag and hollow base enclosure limits airflow channel jointly, and power bag is opened
End is put far from second port and is communicated with the atmosphere, the closed end of power bag is close to second port.Connecting pin and first port seal
Cooperation, cavity are connected to airflow channel.
In above scheme, pressure indicator applies the check configuration that can guarantee normal one-way ventilating, that is, in conjunction with first
Check configuration described in aspect, the connecting pin of check configuration and first port sealing cooperate, so that entered by check configuration
Gas is able to enter in hollow base enclosure, is finally flowed out by second port, to normally supply, wherein power bag can play finger
The effect for showing pressure size, since the open end of power bag far from second port and is communicated with the atmosphere, the closed end of power bag is leaned on
Nearly second port, therefore when check configuration is inflated, connected using at check configuration position as source of inflation gas, power bag and atmosphere
The position connect is close to source of inflation gas, pretends and is proximate to for pressure (so that power bag deformation) position of power bag,
To effectively make the deformation of power bag, wherein it should be noted that aeration gas flow can be through stream when being inflated
Channel, the i.e. air pressure of airflow channel are the same as the air pressure of aeration gas flow, and power bag is communicated with the atmosphere due to being, therefore inside it
Air pressure is atmospheric pressure.Upon inflation, power bag will do it compression due to pressure difference, and power bag can be along second port to first port
Direction shrink, when non-aerating, power bag can prolong along the direction of first port to second port under atmospheric pressure
Exhibition, during contraction and extension, operator can be according to the change in shape of power bag or the deformation quantity of contraction extension
Judge under press belt, simultaneously because the cause being proximate at source of inflation gas and atmosphere, the change in shape of power bag or
The main external force for shrinking the deformation quantity to extend is to be avoided in general operation, as caused by pressure difference due to power
The reason of capsule gravity itself or power bag material aging itself, causes the situation of deformation mistake to occur, and passes through the knot in foregoing description
The case where structure, operator can accurately judge pressure change, simultaneously because the structure in foregoing description, operator can
The pressure indicator is efficiently used.
Optionally, in one possible implementation, the peripheral wall of hard bonnet is provided with through slot, and through slot is along mating interface
It is upwardly extended to the side of resilient plug.
Optionally, in one possible implementation, hard bonnet offers mating groove close to the end face of connecting pin；Bullet
The sealed end of property plug is extended with convex block, and convex block is embedded in mating groove.
Optionally, in one possible implementation, hard bonnet offers through-hole close to the end face of mating interface, leads to
Hole is connected to mating groove.Hard bonnet is provided with multiple boss close to the end face of mating interface, and boss is two neighboring convex around through-hole
Gap between platform is connected to through slot.
Optionally, in one possible implementation, cooperation base enclosure includes upper housing and middleware, upper housing and intermediate
Part sealing cooperation, upper housing limit mating interface far from the port of middleware, and middleware limits connection far from the end face of upper housing
End, upper housing and middleware limit cavity jointly.Resilient plug is resisted against the end face of middleware.During the open end of power bag is fixed on
Between part end face, middleware be equipped with connection power bag internal chamber and atmosphere first passage.Middleware has connection cavity
With the second channel of airflow channel.
In above scheme, provide it is a kind of can be realized enable to resilient plug and plane where connecting pin to keep phase
Outside to the structure of the effect of positional relationship, first passage and second channel are also devised on middleware, while also making power
Capsule is fixed with middleware, conducive to the integration of entire product.Since first passage is present in middleware, therefore, it will be single
After regarding source of inflation gas as to structure, the position that power bag is communicated with the atmosphere also is the component in check configuration, that is, source of inflation gas is
It is in same structure with atmosphere gas source, conducive to the variation of the accurate feedback pressure difference of power bag.
Optionally, in one possible implementation, middleware opens up fluted, resilient plug close to the end face of upper housing
It is set in groove, second channel extends to airflow channel by the inner wall of groove.First passage is extended to by the peripheral wall of middleware
The internal chamber of power bag.
In above scheme, the location of resilient plug, i.e. a groove of middleware are defined, that is, resilient plug is at this
Deformation occurs for groove.Meanwhile resilient plug, after deformation occurs, also having at least partly is between having between the inner wall of groove
Gap, enable air-flow to enter airflow channel by second channel, meanwhile, atmosphere gas source is the peripheral wall position by middleware
Into power bag, to guarantee in the case where second channel and mutually indepedent first passage, it is integrated in this structure of middleware
On, conducive to the control of small product size and the control of cost of material.
Optionally, in one possible implementation, middleware is equipped with annular lug, power far from the end face of upper housing
The open end of capsule and the outer ring of annular lug connect.The inner ring chamber of annular lug and the through slot for the peripheral wall for being opened in middleware are total
With restriction first passage.
In above scheme, the structure of a kind of middleware in the cards and power bag cooperation is provided, annular lug is passed through
Setting so that power bag can effectively be positioned at installation point in assembly, and have good installation stationary plane,
To realizing stable secure fit, simultaneously as be the peripheral wall of the inner ring chamber and middleware in annular lug through slot it is total
With first passage is limited, first passage is effectively made not interfere second channel, guarantees that the air pressure inside power bag remains
For atmospheric pressure.
Optionally, in one possible implementation, resilient plug is equipped with convex block close to the end face of middleware, middleware
End face is convexly equipped with the groove with the cooperation of the convex block of resilient plug.
Optionally, in one possible implementation, middleware far from upper housing end face be equipped with annular protrusion, first
Port is provided with endless groove, and annular protrusion is welded in endless groove.
In one possible implementation, power bag includes multiple air bags, and multiple air bags are cascading simultaneously mutually
It is connected to, the end face of the air bag of the close check configuration in multiple air bags is open and limits open end；It is any one in multiple air bags
The wall thickness of a air bag is gradually reduced from the middle part of the revolution profile of air bag on the direction of two air bags adjacent thereto.
In above scheme, a kind of specific structure of power bag in the cards is provided, wherein stack gradually with multiple air bags
Arrangement limits the composition of the deformation structure of power bag, and the characteristic that each air bag has is the wall thickness of air bag by time of air bag
The middle part of runner exterior feature is gradually reduced on the direction of two air bags adjacent thereto, that is, and the wall thickness of each air bag limits excessively,
So that the pressure controlled system of each air bag born, it is linear distribution deformation in the pressure limit of 0-60cm water column
Stroke, and the moving-vision of all air bags is that operator can simply identify, and can simply judge to press
The degree of power variation.
Optionally, in one possible implementation, the volume of the air bag in multiple air bags is by first port to second
It is gradually reduced on the direction of port.
In above scheme, with the volume of restriction air bag linear on the direction of first port to second port, that is, Duo Geqi
The volume of capsule is gradually reduced on the direction by first port to second port, so that on the circulating direction of air-flow, power bag is in
Inverted pyramid shape, when pressure difference leads to power bag deformation, it is (separate to be conducive to distal balloon for the arrangement mode of the inverted pyramid shape
The air bag of first port) it shrinks, to be conducive to judgement of the operator to power bag deformation.
Optionally, in one possible implementation, the middle part of the revolution profile of each of multiple air bags air bag
Rotary shaft to air bag is recessed.
In above scheme, single air bag is the shape for being different from existing air bag, and shape is inner concavity, and multiple air bags are common
Stacking constitutes power bag, and in pressure difference effect, multiple recessed areas can further lead to the contraction and extension of power bag,
That is, the recessed area of two neighboring air bag and single air bag itself can embody the view effect of contraction and extension jointly, so that dynamic
Power capsule can accurately identify pressure difference, and the minimal difference of delicate pressure difference, so that operator be helped to carry out effectively
Judgement.
Optionally, in one possible implementation, pressure indicator includes guide ring, and guide ring is located at hollow base enclosure
In and be configured to reciprocatingly slide along the direction of first port to second port, power bag is fixed with guide ring.
In above scheme, since power bag is in soft, in actual use, the direction of deformation may not meet scheduled
Guide ring is arranged to carry out the deformation track of power bag along scheduled direction in deformation track, by the cooperation of guide ring,
So that the deformation direction of power bag carries out along the direction of first port to second port.
Optionally, in one possible implementation, the end face of the air bag of the close second port in multiple air bags is set
There is convex block.The end face of guide ring opens up fluted, and power bag is fixed by the cooperation of convex block and groove with guide ring.
Optionally, in one possible implementation, pressure indicator includes Marking ring, and the wall surface of guide ring is equipped with
Annular groove, Marking ring are embedded in annular groove.
In above scheme, a kind of structure that can accurately identify pressure change as far as possible is provided for operator, that is, pass through
Marking ring is fixed on guide ring, so that the displacement of Marking ring indicates the deformation quantity of power bag.
Optionally, in one possible implementation, the inner wall of hollow base enclosure is provided with multiple vertical muscle, indulges muscle along first
Straight extension on port to the direction of second port, guide ring are resisted against vertical muscle.
In above scheme, by indulging the setting of muscle, so that guide ring is in the case where guaranteeing that motion profile is certain, in reduction
The influence that the frictional force of the inner wall of space base shell moves guide ring.
Optionally, in one possible implementation, the quantity for indulging muscle is six, and six vertical muscle are uniformly distributed in middle space base
On the inner wall of shell.
Optionally, in one possible implementation, the region setting of the close second port of the outer wall of hollow base enclosure
There are at least two instruction Printing Zones.
In above scheme, the deformation degree of power bag can judge according to the comparison of instruction Printing Zone relative position, meanwhile, pressure
The size of pressure difference also can be by indicating that Printing Zone is indicated in power indicator.
Optionally, in one possible implementation, the quantity for indicating Printing Zone is three, the print of three instruction Printing Zones
Brush color is different.
Optionally, in one possible implementation, mating interface is standard type female Luer interface.
Optionally, in one possible implementation, resilient plug is silica gel plug.
The third aspect, provides a kind of pressure indicating mechanism, and pressure indicating mechanism includes connecting tube, connector and second aspect
And the pressure indicator in the possible implementation of any one in second aspect.Wherein, one end of connecting tube is connected to
Two-port netwerk, the other end of connecting tube are connected to connector, and the one end of connector far from connecting tube is standard type female Luer structure.
In above-mentioned technical proposal, since pressure indicating mechanism applies the pressure indicator of above-mentioned offer, therefore pressure is indicated
Use can be normally effectively performed in mechanism.
Detailed description of the invention
Technical solution in ord to more clearly illustrate embodiments of the present application, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only some embodiments of the application, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the structural schematic diagram of check configuration in the embodiment of the present application；
Fig. 2 is structural schematic diagram of the hard bonnet under the first visual angle in the embodiment of the present application；
Fig. 3 is structural schematic diagram of the hard bonnet under the second visual angle in the embodiment of the present application；
Fig. 4 is the structural schematic diagram of upper housing and middleware in the embodiment of the present application；
Fig. 5 is structural schematic diagram of the pressure indicator under the first visual angle in the embodiment of the present application；
Fig. 6 is structural schematic diagram of the middleware under the first visual angle in the embodiment of the present application；
Fig. 7 is structural schematic diagram of the middleware under the second visual angle in the embodiment of the present application；
Fig. 8 is the first power bag structural schematic diagram in the embodiment of the present application；
Fig. 9 is second of power bag structural schematic diagram in the embodiment of the present application；
Figure 10 is the third power bag structural schematic diagram in the embodiment of the present application；
Figure 11 is the structural schematic diagram of guide ring in the embodiment of the present application；
Figure 12 is structural schematic diagram of the pressure indicator under the second visual angle in the embodiment of the present application；
Figure 13 is the structural schematic diagram of pressure indicating mechanism in the embodiment of the present application.
Icon: 10- check configuration；11- cooperates base enclosure；11a- upper housing；11a1- annular projection；11b- middleware；
11b1- annular groove；12- hard bonnet；13- resilient plug；110- mating interface；The connecting pin 111-；120- through slot；121- cooperation
Slot；122- boss；130- sealed end；131- fixing end；
20- pressure indicator；The hollow base enclosure of 21-；22- power bag；23- guide ring；24- Marking ring；70- instruction printing
Area；81- first passage；82- second channel；90- airflow channel；210- first port；211- second port；212- indulges muscle；
The open end 220-；The closed end 221-；222- air bag；230- groove；231- annular groove；810- inner ring chamber；811- through slot；
11b2- annular lug；2221- convex block；
30- pressure indicating mechanism；31- connecting tube；32- connector.
Specific embodiment
To keep the purposes, technical schemes and advantages of the embodiment of the present application clearer, below in conjunction with the embodiment of the present application
In attached drawing, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is
Some embodiments of the present application, instead of all the embodiments.The application being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiments herein provided in the accompanying drawings is not intended to limit below claimed
Scope of the present application, but be merely representative of the selected embodiment of the application.Based on the embodiment in the application, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model of the application protection
It encloses.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.
Below in conjunction with attached drawing, the technical solution in the application is described.
The present embodiment provides a kind of check configurations 10, are able to solve existing be applied in laryngeal mask or other airway devices
Pressure indicator the problem of cannot effectively working.
Referring to FIG. 1, Fig. 1 shows the specific structure of check configuration 10.
Check configuration 10, including cooperation base enclosure 11, hard bonnet 12 and resilient plug 13.Wherein, cooperation base enclosure 11 has
Opposite mating interface 110 and connecting pin 111, the inside of cooperation base enclosure 11 have cavity, and cavity is connected to 110 He of mating interface
Connecting pin 111.Hard bonnet 12 is located in cavity and close to mating interface 110.Resilient plug 13 is located in cavity, and resilient plug 13 has
There are opposite sealed end 130 and fixing end 131, fixing end 131 is configured to keep opposite position with the plane where connecting pin 111
Relationship is set, sealed end 130 and hard bonnet 12 cooperate, and resilient plug 13 has sealing state and connected state.
Wherein, sealing state are as follows: when resilient plug 13 in the raw when, sealed end 130 is sealed against cooperation base enclosure
11 inner wall so that the chamber in mating interface 110 independently of cavity；Connected state are as follows: when hard bonnet 12 is by external force
So that chamber cavity when 13 deformation of resilient plug, in mating interface 110.
Wherein, which is the structure applied to one-way ventilating in pressure indicator.Wherein, cooperate base enclosure 11
(or other structures similar with gas ducting, its role is to by mating interface for docking gas ducting for mating interface 110
110 are inflated), connecting pin 111 is used to connect the other structures in pressure indicator so that the check configuration 10 is in pressure
The effect so that air-flow one-way flow is completed in indicator.Wherein, realize that air-flow is logical jointly with hard bonnet 12 and resilient plug 13
Disconnected effect, wherein it is to be understood that when check configuration 10 is in non-working condition (that is, for when being inflated；Also, may be used
When regarding as non-normal use, that is, other states normally inflated except check configuration 10), resilient plug 13 is in seal shape
State, at this time resilient plug 13 in the raw when, resilient plug 13 due to elastic force can be resisted against cooperation base enclosure 11 inner wall, make
The chamber in mating interface 110 is obtained independently of cavity, so that the gas in cavity be avoided to be flowed out by mating interface 110；Work as needs
When using the check configuration 10, that is, when inflating to check configuration 10, gas ducting or its similar structures can be inserted by operator
In mating interface 110, since gas ducting or its similar structures can contact hard bonnet 12 first, and rigidly touch, so that
Hard bonnet 12 can overcome the elastic force global displacement of resilient plug 13 after by external force, force resilient plug 13 to deform, so that resilient plug
13 are in connected state, so that can be passed through hard bonnet 12, resilient plug 13 by the air-flow entered in mating interface 110 and be matched
It closes and is entered between the inner wall of base enclosure 11 by connecting pin 111 in the other structures of pressure indicator.
Wherein, it is to be understood that when using the pressure indicator of the existing check configuration 10 of application, if misoperation,
Since existing check configuration 10 is to be inserted in mating interface in gas ducting or its similar structures made of flexible material
When 110, due to deformation, will lead to the flexible material can block gas ducting or its similar structures, influence the circulation of air-flow.
It should be noted that hard bonnet 12 refers to structure intensity with higher, in gas ducting or its similar structures
After being inserted in mating interface 110, gas ducting or its similar structures can cooperate with 12 rigidity of hard bonnet, and hard bonnet 12 is not
Can the size of deformation occurs its deformation in other words will not influence gas ducting or its similar structures is filled with gas in the one-way mechanism
The circulation of stream, in the present embodiment, hard bonnet 12 are made as meeting plastics as defined in medical material, in other specific embodiment parties
In formula, hard bonnet 12 can also be high by other intensity and meets medical material and use the materials such as defined material, such as glass.
In a kind of embodiment in the cards, the peripheral wall of hard bonnet 12 is provided with through slot 120, and through slot 120 is along matching
The side of splice grafting mouth 110 to resilient plug 13 upwardly extends.
By the way that through slot 120 is arranged on hard bonnet 12, air-flow can circulate along through slot 120.When resilient plug 13 is in connection
When state, air-flow from through slot 120 flow into resilient plug 13 and with base enclosure 11 inner wall between gap.
With reference to Fig. 2, Fig. 2 shows specific structure of the hard bonnet 12 under the first visual angle in the present embodiment.
Hard bonnet 12 in the present embodiment is substantially cylindrical, opens up in its perpendicular wall surfaces there are four through slot 120, four
Through slot 120 extends to other end by the linear formula in an end face of the hard bonnet 12, consequently facilitating the circulation of air-flow.Together
When, it should be noted that in other specific embodiments, hard bonnet 12 can also be in other shapes, can be against bullet
Property plug 13 and bear gas ducting or its similar structures effect external force.Meanwhile in other specific embodiments, lead to
The quantity of slot 120 is also not limited, quantity can for one, two, it is third.Meanwhile in other specific embodiments, through slot
120 extension form not only can be the extension of linear formula also with no restriction, can also with the other forms such as curve into
Row extends.
In a kind of embodiment in the cards, hard bonnet 12 offers mating groove close to the end face of connecting pin 111
121.The sealed end 130 of resilient plug 13 is extended with convex block, and convex block is embedded in mating groove 121.
Wherein, in the present embodiment, hard bonnet 12 is shown in the present embodiment at the second visual angle in conjunction with Fig. 1 and Fig. 3, Fig. 3
Under specific structure.
The mating groove 121 of hard bonnet 12 and the convex block of resilient plug 13 are in the center of each self-structure.
By the mortise and tenon fit structure of 121 form of convex block and mating groove, convenient for the positioning of resilient plug 13 and hard bonnet 12
And cooperation, meanwhile, for this tenon structure convenient for manufacture, cost is also low compared with generic connectivity structure, is conducive to promotion and application, together
When, by the cooperation of the tenon structure, the external force that hard bonnet 12 is effectively born is conducted to resilient plug 13,
Conducive to the deformation of resilient plug 13.
It should be noted that the fit structure of resilient plug 13 and hard bonnet 12 may be used also in other specific embodiments
The conduction of power is realized in a manner of through other connection structures, such as resilient plug 13 is directly be bonded with hard bonnet 12.
In a kind of embodiment in the cards, hard bonnet 12 offers through-hole close to the end face of mating interface 110,
Through-hole is connected to mating groove 121.Hard bonnet 12 is provided with multiple boss 122,122 ring of boss close to the end face of mating interface 110
Around through-hole, the gap between two neighboring boss 122 is connected to through slot 120.
Please referring again to Fig. 2, in the present embodiment, the number of boss 122 is four, with the through slot for airflow
120 quantity is consistent, simultaneously as the presence of boss 122 makes, the outer profile of boss 122 and the outer profile of hard bonnet 12
Between with the ring-like cyclic structure of notch (tool there are four) against platform, cooperate Fig. 1, it can be seen that should be against platform
It is resisted against on a bulge loop of inner wall setting for cooperation base enclosure 11, its object is to limit the motion range of hard bonnet 12, i.e.,
The motion range of hard bonnet 12 is between the bulge loop and the maximum displacement location of resilient plug 13.Wherein, boss 122
It can be used for against gas ducting or other similar structure, when gas ducting or other similar structure are resisted against boss 122 and continue
When forcing on hard bonnet 12, the air-flow poured can have the gap between two neighboring boss 122 to flow into through slot 120,
Increase through-hole simultaneously, is also conducive to the circulation of air-flow.
In a kind of embodiment in the cards, cooperation base enclosure 11 includes upper housing 11a and middleware 11b, upper housing
11a and middleware 11b sealing cooperates, and upper housing 11a limits mating interface 110, middleware 11b far from the port of middleware 11b
End face far from upper housing 11a limits connecting pin 111, and upper housing 11a and middleware 11b limit cavity jointly.Resilient plug 13 supports
It is against the end face of middleware 11b.
Referring to FIG. 4, Fig. 4 shows the specific structure of upper housing 11a and middleware 11b.
Wherein, cooperation base enclosure 11 includes two components, during the manufacturing, is matched by two component combination formation
Base enclosure 11 is closed, the arrangement and assembly of other structures (such as resilient plug 13 and hard bonnet 12) are conducive to, while being also conducive to cooperation base
The manufacturing of shell 11 can be effectively reduced production cost, meanwhile, it also can according to demand, respectively to upper housing 11a in
Between part 11b be designed.The presence of middleware 11b, the plane where can be realized resilient plug 13 and connecting pin 111 keep opposite
The effect of positional relationship, to realize the working effect of resilient plug 13.
It should be noted that other structures or side can also be passed through in other specific embodiments for resilient plug 13
Method keeps the relative positional relationship with the plane where connecting pin 111.For example, the fixing end 131 of resilient plug 13 can be resisted against peace
Loaded on the bracket in cavity, also perhaps the part of the fixing end 131 of resilient plug 13 be take shape in the inner wall of cavity also or its
He can be able to achieve the structure of the fixing end 131 of resilient plug 13 and the plane holding relative positional relationship where connecting pin 111.
As seen from Figure 4, upper housing 11a is equipped with annular projection 11a1, middleware 11b far from the port of middleware 11b
Port close to upper housing 11a is provided with annular groove 11b1, and annular projection 11a1 is welded in annular groove 11b1.
By upper housing 11a and middleware the 11b cooperation of foregoing description and connection relationship, it can guarantee upper housing 11a
With the leakproofness of middleware 11b, while in assembling process, the case where also can be avoided malformation appearance avoids stress
Concentration phenomenon occur, effectively prevent as place for a long time and caused by gas leakage risk.
It should be noted that in the present embodiment, be by annular projection 11a1 and annular groove 11b1 plus welding so that on
Shell 11a and middleware 11b sealing cooperation, in other specific embodiments, upper casing can also be realized by other means
The sealing of body 11a and middleware 11b cooperate, such as quadric injection mould or low-pressure injection molding realize that upper housing 11a's and middleware 11b is close
Envelope connection.
Wherein, in the present embodiment, resilient plug 13 is equipped with groove close to the end face of middleware 11b, and the end face of middleware 11b is convex
Equipped with the convex block with the cooperation of the groove of resilient plug 13.By the cooperation of groove and convex block, realizing resilient plug 13 can be positioned at
Specified point is conducive to resilient plug 13 to guarantee that the plane at 111 place of resilient plug 13 and connecting pin keeps the effect of relative positional relationship
Normal work, meanwhile, by the cooperation of groove and convex block, resilient plug 13 is enabled to be firmly secured at middleware 11b's
On end face.It should be noted that resilient plug 13 can also be realized by its structure and middleware in other specific embodiments
The cooperation of 11b, such as the groove of elastic component is changed to convex block, the convex block of middleware 11b is changed to groove, also or is passed through
The connection type of other forms is cooperated, such as resilient plug 13 is adhered on middleware 11b, also or 13 secondary injection of resilient plug
It moulds on middleware 11b.
The present embodiment also provides a kind of pressure indicator 20, which applies the check configuration of above-mentioned offer
10, and the pressure indicator 20 can effectively meet the demand of the normal work of operator.Wherein, it needs to illustrate
Be, due to being the check configuration 10 for applying above-mentioned offer, below not to check configuration 10 carry out specified otherwise when, can with but
It is not limited to referring to the check configuration 10 in foregoing description.
Referring to FIG. 5, Fig. 5 shows the specific structure of pressure indicator 20 in the present embodiment.
Pressure indicator 20 includes hollow base enclosure 21, power bag 22 and check configuration 10.Hollow base enclosure 21 has opposite
First port 210 and second port 211, power bag 22 have opposite open end 220 and closed end 221.Wherein, unidirectionally
Structure 10 includes cooperation base enclosure 11, hard bonnet 12 and resilient plug 13, cooperation base enclosure 11 have opposite mating interface 110 with
And connecting pin 111, the inside of cooperation base enclosure 11 have cavity, cavity is connected to mating interface 110 and connecting pin 111, hard bonnet
12 are located in cavity and close to mating interface 110, and resilient plug 13 is located in cavity, and resilient plug 13 has opposite sealed end 130
With fixing end 131, fixing end 131 is configured to keep relative positional relationship, sealed end 130 with the plane where connecting pin 111
Cooperate with hard bonnet 12, resilient plug 13 has sealing state and connected state.Power bag 22 is located at the chamber of hollow base enclosure 21
In, the inner wall of power bag 22 and hollow base enclosure 21 limits airflow channel 90 jointly, and the open end 220 of power bag 22 is far from second end
Mouth 211 is simultaneously communicated with the atmosphere, and the closed end 221 of power bag 22 is close to second port 211.Connecting pin 111 and first port 210 are close
Envelope cooperation, cavity are connected to airflow channel 90.
Wherein, pressure indicator 20 applies the check configuration 10 that can guarantee normal one-way ventilating, that is, retouches in conjunction with above-mentioned
The check configuration 10 stated, the connecting pin 111 of check configuration 10 and the sealing of first port 210 cooperate so that by check configuration 10 into
The gas entered is able to enter in hollow base enclosure 21, is finally flowed out by second port 211, to normally supply, wherein power bag 22
Can play the role of indicate pressure size, due to power bag 22 open end 220 far from second port 211 and with atmosphere connect
Logical, the closed end 221 of power bag 22 is close to second port 211, therefore when check configuration 10 is inflated, with check configuration 10
Place is set as source of inflation gas, the position that power bag 22 is connect with atmosphere is close to source of inflation gas, pretends for power bag 22
Pressure (so that 22 deformation of power bag) position is proximate to, to effectively make the deformation of power bag 22, wherein need
Bright, when being inflated, aeration gas flow can be the same as inflating air through gas circulation road 90, the i.e. air pressure of airflow channel 90
The air pressure of stream, and power bag 22 is due to being to be communicated with the atmosphere, therefore its air pressure inside is atmospheric pressure.Upon inflation, power bag 22 by
Will do it compression in pressure difference, power bag 22 can be shunk along the direction of second port 211 to first port 210, when non-aerating,
Power bag 22 can extend in first port 210 to the direction of second port 211 under atmospheric pressure, shrinking and extending
During, operator can judge press belt according to the deformation quantity that the change in shape of power bag 22 or contraction are extended
Under, simultaneously because what the cause being proximate at source of inflation gas and atmosphere, the change in shape of power bag 22 or contraction were extended
The main external force of deformation quantity is to be avoided as caused by pressure difference in general operation, due to power bag 22 weight itself
The reason of power or the material aging of power bag 22 itself, causes the situation of deformation mistake to occur, and passes through the structure in foregoing description, behaviour
Make the case where personnel can accurately judge pressure change, simultaneously because the structure in foregoing description, operator can be effective
Ground uses the pressure indicator 20.
Wherein, it should be noted that the hollow base enclosure 21 in the present embodiment is that have certain translucency, so that operator
Member can be in the external state through intuitive 22 deformation of power bag of hollow base enclosure 21, that is, hollow base enclosure 21 can be transparent or half
Transparent material is made, and need to meet the specification of Medical Instruments material.
Wherein, in a kind of embodiment in the cards, cooperation base enclosure 11 includes upper housing 11a and middleware 11b, is answered
With in the pressure indicator 20 provided in this present embodiment, the end face of middleware 11b is fixed in the open end 220 of power bag 22,
Middleware 11b is equipped with the internal chamber of connection power bag 22 and the first passage 81 of atmosphere.Middleware 11b have connection cavity with
The second channel 82 of airflow channel 90.That is, devising first passage 81 and second channel 82 on middleware 11b, while also making
Obtaining power bag 22 is fixed with middleware 11b, conducive to the integration of entire product.Since first passage 81 is to be present in centre
Part 11b's, therefore, after regarding check configuration 10 as source of inflation gas, the position that power bag 22 is communicated with the atmosphere also is check configuration 10
In component, that is, source of inflation gas is in same structure with atmosphere gas source, be conducive to the accurate feedback pressure of power bag 22 it is poor
Variation.
It should be noted that power bag 22 is connect with the middleware 11b in check configuration 10 in the present embodiment,
In other specific embodiments, power bag 22 can also be connect with other structures, such as be directly connected in hollow base enclosure 21 simultaneously
Ventilation device is arranged in hollow base enclosure 21 makes power bag 22 be connected to atmosphere.Meanwhile herein also it should be noted that, for independent
Check configuration 10, in other embodiments, can also cancel setting first passage 81, and cancel be arranged first passage
Under conditions of 81, power bag 22 can also be mounted in check configuration 10, open end 220 and the closed end 221 of power bag 22
It placement position can be with foregoing description on the contrary, the position of i.e. source of inflation gas and atmosphere gas source can be the both ends of hollow base enclosure 21.
Wherein, specific structure of the middleware 11b under the first visual angle in the present embodiment is shown in conjunction with Fig. 6 and Fig. 7, Fig. 6,
Fig. 7 shows specific structure of the middleware 11b under the second visual angle in the present embodiment.
Middleware 11b opens up fluted close to the end face of upper housing 11a, and resilient plug 13 is set in groove, second channel
82 extend to airflow channel 90 by the inner wall of groove.First passage 81 is extended in power bag 22 by the peripheral wall of middleware 11b
Portion's chamber.Middleware 11b is equipped with annular lug 11b2, the open end 220 of power bag 22 and annular far from the end face of upper housing 11a
The outer ring of convex block 11b2 connects.The through slot 811 of the inner ring chamber 810 of annular lug 11b2 and the peripheral wall for being opened in middleware 11b
It is common to limit first passage 81.
Wherein, foregoing description defines the location of resilient plug 13, i.e. a groove of middleware 11b, that is, resilient plug
13 be that deformation occurs in the groove.Meanwhile resilient plug 13 is after deformation occurs, also having at least partly is inner wall with groove
Between with gap, enable the air-flow to enter airflow channel 90 by second channel 82, meanwhile, atmosphere gas source is by centre
Enter power bag 22 at the peripheral wall position of part 11b, to guarantee in the case where second channel 82 and mutually indepedent first passage 81,
It is integrated in this structure of middleware 11b, conducive to the control of small product size and the control of cost of material.Pass through annular lug
The setting of 11b2 so that power bag 22 in assembly, can effectively be positioned at installation point, and has good installation solid
Face is determined, so that stable secure fit is realized, simultaneously as being the inner ring chamber 810 and middleware 11b in annular lug 11b2
The through slot 811 of peripheral wall limit first passage 81 jointly, effectively make first passage 81 not interfere second channel 82, guarantee dynamic
Air pressure inside power capsule 22 remains atmospheric pressure.
Wherein, in a kind of embodiment in the cards, power bag 22 include multiple air bags 222, multiple air bags 222 according to
Secondary to be stacked and be interconnected, the end face of the air bag 222 of the close check configuration 10 in multiple air bags 222 is open and restriction is opened
Put end 220.The wall thickness of any one air bag 222 in multiple air bags 222 by air bag 222 revolution profile middle part Xiang Yuqi phase
It is gradually reduced on the direction of two adjacent air bags 222.
Wherein, the composition that arrangement limits the deformation structure of power bag 22, and each are stacked gradually with multiple air bags 222
The characteristic that air bag 222 has is the wall thickness of air bag 222 from the middle part of the revolution profile of air bag 222 to two air bags adjacent thereto
It is gradually reduced on 222 direction, that is, the wall thickness of each air bag 222 limits excessively, so that each air bag 222 is born
Pressure controlled system, be the stroke of linear distribution deformation in the pressure limit of 0-60cm water column, and all air bags 222
Moving-vision be that operator can simply identify, and can simply judge the degree of pressure change.
Wherein, it should be noted that power bag 22 can using organic silica gel rubber or other with elastic material and energy
Enough materials for carrying out deformation according to pressure difference are made.
A kind of specific structure of power bag 22 in the present embodiment is shown incorporated by reference to Fig. 5 and Fig. 8, Fig. 8.
Power bag 22 is made of the consistent stacking of air bag 222 of six volumes.
Wherein, the wall thickness of air bag 222 is 0.1-1.2mm, and air bag 222 is made of high molecular material, such as silicone resin is made.
It should be noted that in a kind of embodiment in the cards, for example, another kind power bag 22 shown in Fig. 9
Specific structure.
The volume of air bag 222 in multiple air bags 222 in first port 210 to the direction of second port 211 by gradually subtracting
It is small.
With the volume of restriction air bag 222 linear in first port 210 to the direction of second port 211, that is, multiple air bags
222 volume in first port 210 to the direction of second port 211 by being gradually reduced, so that moving on the circulating direction of air-flow
Power capsule 22 is in inverted pyramid shape, and when pressure difference leads to 22 deformation of power bag, the arrangement mode of the inverted pyramid shape is conducive to distal end
Air bag 222 (air bag 222 far from first port 210) is shunk, to be conducive to judgement of the operator to 22 deformation of power bag.
It should be noted that in a kind of embodiment in the cards, for example, another kind power bag 22 shown in Fig. 10
Specific structure.
In power bag 22, the rotary shaft of middle part to the air bag 222 of the revolution profile of each air bag 222 is recessed.Specifically,
As shown in Figure 10, single air bag 222 at its centre of gyration is constituted for inner concavity, itself is by active force or pressure
It is able to carry out self compression after power difference, and is compressed from both ends to centre, the structure of interior recess upon compression can be further
Ground invagination, so that more existing air bag 222 has the visual angle characteristic of more feature, conducive to the judgement of operator.
Wherein, single air bag 222 is the shape for being different from existing air bag 222, and shape is inner concavity, multiple air bags 222
Common stacking constitutes power bag 22, and in pressure difference effect, multiple recessed areas can further lead to the contraction of power bag 22
And extension, that is, the recessed area of two neighboring air bag 222 and single air bag 222 itself can embody the view of contraction and extension jointly
Angle effect enables power bag 22 accurately to identify pressure difference, and the minimal difference of delicate pressure difference, to help to operate
Personnel are effectively judged.
Preferably to judge that deformation and the auxiliary power capsule 22 of power bag 22 along scheduled direction make deformation, pressure refers to
Show that device 20 includes guide ring 23, guide ring 23 is located in hollow base enclosure 21 and is configured to along first port 210 to second port
It reciprocatingly slides on 211 direction, power bag 22 and guide ring 23 are fixed.
The specific structure of guide ring 23 is shown incorporated by reference to Fig. 5 and Figure 11, Figure 11.
Since power bag 22 is in soft, in actual use, the direction of deformation may not meet scheduled deformation track,
To carry out the deformation track of power bag 22 along scheduled direction, setting guide ring 23, by the cooperation of guide ring 23, so that
The deformation direction of power bag 22 carries out in first port 210 to the direction of second port 211.
Wherein, Fig. 8 or Fig. 9 or Figure 10, the air bag of the close second port 211 in multiple air bags 222 please be recombine
222 end face is equipped with convex block 2221.The end face of guide ring 23 opens up fluted 230, and power bag 22 passes through convex block 2221 and groove
230 cooperation realization and guide ring 23 are fixed.
For the size for significantly indicating pressure change, that is, the amount of apparent instruction 22 deformation of power bag, in Fig. 5, pressure
Indicator 20 includes Marking ring 24, and the wall surface of guide ring 23 is equipped with annular groove 231, and Marking ring 24 is embedded in annular groove 231.
In the present embodiment, the inner wall of hollow base enclosure 21 is provided with multiple vertical muscle 212, indulges muscle 212 along first port 210 to the
Straight extension on the direction of Two-port netwerk 211, guide ring 23 are resisted against vertical muscle 212.By indulging the setting of muscle 212, so that guide ring
23, in the case where guaranteeing that motion profile is certain, reduce the shadow that the frictional force of the inner wall of hollow base enclosure 21 moves guide ring 23
It rings.
In the present embodiment, the quantity for indulging muscle 212 is six, and six vertical muscle 212 are uniformly distributed in the inner wall of hollow base enclosure 21
On.
It should be noted that in other specific embodiments, indulge the quantity of muscle 212 with no restrictions, can for two,
Three, four etc..
In a kind of embodiment in the cards, the region of the close second port 211 of the outer wall of hollow base enclosure 21 is set
It is equipped at least two instruction Printing Zones 70.
Wherein, Figure 12 is please referred to, Figure 12 shows specific knot of the pressure indicator 20 under the second visual angle in the present embodiment
Structure.
The quantity for indicating Printing Zone 70 is three, and the print color of three instruction Printing Zones 70 is different.
Wherein, binding marker ring 24, when deformation occurs for power bag 22, the corresponding three instruction Printing Zones 70 of Marking ring 24 can
The deformation degree for specifying power bag 22, to intuitively judge pressure.It should be noted that in a kind of embodiment in the cards
In, black can be made in Marking ring 24, and three instruction Printing Zones 70 can be fabricated to gradient color, to distinguish the dangerous journey of pressure size
Degree or normal degree.It should be noted that the deformation degree of power bag 22 can also be from instruction when being not set Marking ring 24
Printing Zone 70 distinguishes.
It should be noted that in the present embodiment, the mating interface 110 in check configuration 10 is that standard type female Luer connects
Mouthful, wherein it should be noted that female Luer (Luer taper) is that one kind is standardized micro without connector is seeped, pass through public Shandong
Your connector is connect with the female Luer connector part that matches.Now it is widely used in medicine and Laboratory Instruments.
It should be noted that the present embodiment also provides a kind of pressure indicating mechanism 30, such as Figure 13, pressure indicating mechanism 30 is wrapped
The pressure indicator 20 of connecting tube 31, connector 32 and above-mentioned offer is provided.Wherein, one end of connecting tube 31 is connected to second port
211, the other end of connecting tube 31 is connected to connector 32, and the one end of connector 32 far from connecting tube 31 is 32 knot of standard type female Luer
Structure.
The pressure indicating mechanism 30 can be used cooperatively with the connection of trachea cannula, laryngeal mask product, wherein trachea cannula can
To be plugged in the mating interface 110 of check configuration 10, laryngeal mask can be connected at connector 32.In attached drawing 13,3 fingers have been explicitly indicated that
Show Printing Zone 70, and packed density indicates Printing Zones 70 to express 3 in other words in the accompanying drawings with different filling patterns
Color is different, in order to operator's judgement.
Wherein, since pressure indicating mechanism 30 applies the pressure indicator 20 of above-mentioned offer, therefore pressure indicating mechanism 30
Use can normally be effectively performed.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Claims (10)
1. a kind of check configuration, the check configuration is in pressure indicator characterized by comprising
Cooperate base enclosure, the cooperation base enclosure has opposite mating interface and connecting pin, and the inside of the cooperation base enclosure has
Cavity, the cavity are connected to the mating interface and the connecting pin；
Hard bonnet, the hard bonnet are located in the cavity and close to the mating interfaces；And
Resilient plug, the resilient plug are located in the cavity, and the resilient plug has opposite sealed end and fixing end, described solid
Fixed end is configured to keep relative positional relationship with the plane where the connecting pin, and the sealed end is matched with the hard bonnet
It closes, the resilient plug has sealing state and connected state:
The sealing state are as follows: when the resilient plug in the raw when, the sealed end is sealed against the cooperation base
The inner wall of shell so that the chamber in the mating interface independently of the cavity；The connected state are as follows: when the hard valve
When cap is made the resilient plug deformation by external force, cavity described in the chamber in the mating interface.
2. check configuration according to claim 1, it is characterised in that:
The peripheral wall of the hard bonnet is provided with through slot, and the through slot prolongs along the mating interface to the direction of the resilient plug
It stretches；
Optionally, the hard bonnet offers mating groove close to the end face of the connecting pin；
The sealed end of the resilient plug is extended with convex block, and the convex block is embedded in the mating groove；
Further, the hard bonnet offers through-hole close to the end face of the mating interface, matches described in the through-hole connection
Close slot；
The hard bonnet is provided with multiple boss close to the end face of the mating interface, and the boss is around the through-hole, phase
Gap between adjacent two boss is connected to the through slot.
3. check configuration according to claim 1, it is characterised in that:
The cooperation base enclosure includes upper housing and middleware, and the upper housing and middleware sealing cooperate, the upper housing
Port far from the middleware limits the mating interface, and the middleware limits connection far from the end face of the upper housing
End, the upper housing and the middleware limit the cavity jointly；
The resilient plug is resisted against the end face of the middleware；
Optionally, the resilient plug is equipped with groove close to the end face of the middleware, and the end face of the middleware is convexly equipped with and institute
State the convex block of the groove cooperation of resilient plug；
Further, the upper housing is equipped with annular projection far from the port of the middleware, and the middleware is on described
The port of shell is provided with annular groove, and the annular projection is welded in the annular groove.
4. a kind of pressure indicator characterized by comprising
Hollow base enclosure, the hollow base enclosure have opposite first port and second port；
Power bag, the power bag have opposite open end and closed end；And
Check configuration, the check configuration include cooperation base enclosure, hard bonnet and resilient plug, and the cooperation base enclosure has opposite
Mating interface and connecting pin, the inside of the cooperation base enclosure there is cavity, the cavity is connected to the mating interface and institute
Connecting pin is stated, hard bonnet is located in the cavity and close to the mating interface, and resilient plug is located in the cavity, the bullet
Property plug there is opposite sealed end and fixing end, the fixing end is configured to keep opposite with the plane where the connecting pin
Positional relationship, the sealed end and the hard bonnet cooperate, and the resilient plug has sealing state and connected state；
The power bag is located in the chamber of the hollow base enclosure, and the power bag and the inner wall of the hollow base enclosure limit jointly
The open end of airflow channel, the power bag far from the second port and is communicated with the atmosphere, the power bag it is described
Closed end is close to the second port；
The connecting pin and first port sealing cooperate, and the cavity is connected to the airflow channel.
5. pressure indicator according to claim 4, it is characterised in that:
The peripheral wall of the hard bonnet is provided with through slot, and the through slot prolongs along the mating interface to the direction of the resilient plug
It stretches；
Optionally, the hard bonnet offers mating groove close to the end face of the connecting pin；
The sealed end of the resilient plug is extended with convex block, and the convex block is embedded in the mating groove；
Further, the hard bonnet offers through-hole close to the end face of the mating interface, matches described in the through-hole connection
Close slot；
The hard bonnet is provided with multiple boss close to the end face of the mating interface, and the boss is around the through-hole, phase
Gap between adjacent two boss is connected to the through slot.
6. pressure indicator according to claim 4, it is characterised in that:
The cooperation base enclosure includes upper housing and middleware, and the upper housing and middleware sealing cooperate, the upper housing
Port far from the middleware limits the mating interface, and the middleware limits connection far from the end face of the upper housing
End, the upper housing and the middleware limit the cavity jointly；
The resilient plug is resisted against the end face of the middleware；
The end face of the middleware is fixed in the open end of the power bag, and the middleware, which is equipped with, is connected to the interior of the power bag
The first passage of portion's chamber and atmosphere；
The middleware has the second channel for being connected to the cavity and the airflow channel；
Optionally, the middleware opens up fluted close to the end face of the upper housing, and the resilient plug is set to the groove
In, the second channel extends to the airflow channel by the inner wall of the groove；
The first passage is extended to the internal chamber of the power bag by the peripheral wall of the middleware；
Optionally, the middleware is equipped with annular lug, the open end of the power bag and institute far from the end face of the upper housing
State the outer ring connection of annular lug；
The through slot of the inner ring chamber of the annular lug and the peripheral wall for being opened in the middleware limits the first passage jointly；
Optionally, the resilient plug is equipped with groove close to the end face of the middleware, and the end face of the middleware is convexly equipped with and institute
State the convex block of the groove cooperation of resilient plug；
Optionally, the resilient plug is equipped with convex block close to the end face of the middleware, and the end face of the middleware is convexly equipped with and institute
State the groove of the convex block cooperation of resilient plug；
Optionally, the middleware is equipped with annular protrusion far from the end face of the upper housing, and the first port is provided with ring-type
Slot, the annular protrusion are welded in the endless groove.
7. pressure indicator according to claim 4, it is characterised in that:
The power bag includes multiple air bags, and the multiple air bag is cascading and is interconnected, in the multiple air bag
The air bag close to the check configuration end face it is open and limit the open end；
The wall thickness of any one air bag in the multiple air bag is from the middle part of the revolution profile of the air bag to adjacent thereto
It is gradually reduced on the direction of two air bags；
Further, the volume of the air bag in the multiple air bag by the first port to the direction of the second port by
It is decrescence small；
Further, the rotary shaft of middle part to the air bag of the revolution profile of each of the multiple air bag air bag is recessed
If；
Further, the pressure indicator includes:
Guide ring, the guide ring are located in the hollow base enclosure and are configured to along the first port to the second port
Direction on reciprocatingly slide；
The power bag is fixed with guide ring；
Further, the end face of the air bag close to the second port in the multiple air bag is equipped with convex block；
The end face of the guide ring opens up fluted, and the power bag is led by the cooperation of the convex block and the groove with described
It is fixed to ring；
Optionally, the pressure indicator includes:
Marking ring；
The wall surface of the guide ring is equipped with annular groove, and the Marking ring is embedded in the annular groove；
Optionally, the inner wall of the hollow base enclosure is provided with multiple vertical muscle, and the vertical muscle is along the first port to described second
Straight extension on the direction of port；
The guide ring is resisted against the vertical muscle；
Further, the quantity of the vertical muscle is six, and six vertical muscle are uniformly distributed on the inner wall of the hollow base enclosure.
8. pressure indicator according to claim 4, it is characterised in that:
The region close to the second port of the outer wall of the hollow base enclosure is provided at least two instruction Printing Zones；
Further, the quantity of the instruction Printing Zone is three, and the print color of three instruction Printing Zones is different.
9. pressure indicator according to claim 4, it is characterised in that:
The mating interface is standard type female Luer interface；
Optionally, the resilient plug is silica gel plug.
10. a kind of pressure indicating mechanism characterized by comprising
Connecting tube；
Connector；And
Pressure indicator described in claim 4-9 any one；
One end of the connecting tube is connected to the second port, and the other end of the connecting tube is connected to the connector, described
The one end of connector far from the connecting tube is standard type female Luer structure.
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| US4328290A (en) * | 1980-12-29 | 1982-05-04 | Gould Inc. | Battery vent plug |
| US5054517A (en) * | 1988-09-16 | 1991-10-08 | Wabco Westinghouse Steuerungstechnik Gmbh & Co. | One-way restrictor |
| CN1826265A (en) * | 2003-04-28 | 2006-08-30 | 因斯蒂尔医学技术有限公司 | Container with valve assembly for filling and dispensing substances, and apparatus and method for filling |
| CN1950126A (en) * | 2004-05-11 | 2007-04-18 | 医疗器械创新有限公司 | A one way valve that uses fluid pressure to open and close the valve |
| CN202302077U (en) * | 2011-08-23 | 2012-07-04 | 黄丹瑜 | Medical valve inside |
| CN206754498U (en) * | 2017-05-23 | 2017-12-15 | 重庆长风化学工业有限公司 | Vacuum control check valve |
| CN209638442U (en) * | 2019-03-18 | 2019-11-15 | 亚美斯特（天津）医疗器械有限公司 | Check configuration, pressure indicator and pressure indicating mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US4328290A (en) * | 1980-12-29 | 1982-05-04 | Gould Inc. | Battery vent plug |
| US5054517A (en) * | 1988-09-16 | 1991-10-08 | Wabco Westinghouse Steuerungstechnik Gmbh & Co. | One-way restrictor |
| CN1826265A (en) * | 2003-04-28 | 2006-08-30 | 因斯蒂尔医学技术有限公司 | Container with valve assembly for filling and dispensing substances, and apparatus and method for filling |
| CN1950126A (en) * | 2004-05-11 | 2007-04-18 | 医疗器械创新有限公司 | A one way valve that uses fluid pressure to open and close the valve |
| CN202302077U (en) * | 2011-08-23 | 2012-07-04 | 黄丹瑜 | Medical valve inside |
| CN206754498U (en) * | 2017-05-23 | 2017-12-15 | 重庆长风化学工业有限公司 | Vacuum control check valve |
| CN209638442U (en) * | 2019-03-18 | 2019-11-15 | 亚美斯特（天津）医疗器械有限公司 | Check configuration, pressure indicator and pressure indicating mechanism |
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